Combined Efficacy of Vermiwash with Different Biopesticides
on Pigeonpea (Cajanus cajan) Productivity and
Percentage of Infestation by Helicoverpa armigera (Hübner)
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A Laboratory Assessment on Efficacy of
Ethyl Formate as Fumigant Against Four Major Cocoa Pests
H. Asimah, L. Albert, R. Nazarudin, M. Razali, S. Mamot and A.B. Idris